2009 Open source projects that are alternatives of or similar to Libhydrogen

QP-nano real-time embedded framework/RTOS for embedded systems based on active objects (actors) and hierarchical state machines

The free embedded operating system.

PlatformIO is a professional collaborative platform for embedded development 👽 A place where Developers and Teams have true Freedom! No more vendor lock-in!

HElib is an open-source software library that implements homomorphic encryption. It supports the BGV scheme with bootstrapping and the Approximate Number CKKS scheme. HElib also includes optimizations for efficient homomorphic evaluation, focusing on effective use of ciphertext packing techniques and on the Gentry-Halevi-Smart optimizations.

A complete overhaul of the Golang wrapper for libsodium

Arduino Library to simplify working with buttons. It allows you to use callback functions to track single, double, triple and long clicks. It also takes care of debouncing.

A sample backend that demonstrates how to generate a Virgil JWT and Twilio token used for authentication with the Virgil and Twilio services

🔥🐻 The Speakeasy Scripting Engine Which Combines Speed, Safety, and Simplicity

A lightweight, embeddable scripting language

embedded-hal abstractions for AVR microcontrollers

A lightweight, portable pure C99 onnx inference engine for embedded devices with hardware acceleration support.

Usable, easy and safe pure-Rust crypto

Cloudflare's RPKI Toolbox

A shared preference implementation for confidential data in Android. Per default uses AES-GCM, BCrypt and HKDF as cryptographic primitives. Uses the concept of device fingerprinting combined with optional user provided passwords and strong password hashes.

A curated list of awesome open source electronic resources for robotics

.NET Standard 1.3 implementation of the Noise Protocol Framework (revision 33 of the spec)

Marlin is an optimized firmware for RepRap 3D printers based on the Arduino platform. | Many commercial 3D printers come with Marlin installed. Check with your vendor if you need source code for your specific machine.

eFLL (Embedded Fuzzy Logic Library) is a standard library for Embedded Systems

A repository that aims to provide tools for cryptography and cryptanalysis

The SIMON and SPECK families of lightweight block ciphers. #nsacyber

YAKINDU Statechart Tools (http://www.statecharts.org)

A simple library for building and parsing data frames for serial interfaces (like UART / RS232)

Secure software enclave for storage of sensitive information in memory.

Exploit Development, Reverse Engineering & Cryptography

T12 Quick Heating Soldering Station

Project Wycheproof tests crypto libraries against known attacks.

Arduino (8-bit AVR) simulator, written in JavaScript and runs in the browser / Node.js

Pure Java implementation of Macaroons: Cookies with Contextual Caveats for Decentralized Authorization in the Cloud. Android ready. Online playground available.

Cryptographic filesystem for the cloud

ERIKA Enterprise v3 RTOS

wolfBoot is a portable, OS-agnostic, secure bootloader for microcontrollers, supporting firmware authentication and firmware update mechanisms.

Logic Analyzer, for Arduino, AVR, ESP8266 and STM32 with a very nice working processing interface, you could run it also on any Android device.

Arduino hardware package for ATmega64, ATmega128, ATmega640, ATmega1280, ATmega1281, ATmega2560, ATmega2561, AT90CAN32, AT90CAN64 and AT90CAN128

The Embedded SDKs for the Parse Platform

i2pd browser bundle

A collection of common (interesting) cryptographic mistakes.

A really tiny crypto library.

IDE for C embedded development centered on bare-metal ARM systems

Stream encryption & decryption with libsodium and protobuf

Cryptography Toolkit

🔓 CLI tool and library to execute padding oracle attacks easily, with support for concurrent network requests and an elegant UI.

Lightweight dynamic memory manager library for embedded systems with memory constraints. It implements malloc, calloc, realloc and free functions

Tink is a multi-language, cross-platform, open source library that provides cryptographic APIs that are secure, easy to use correctly, and hard(er) to misuse.

A collections of FREE ebooks

🔑 Secure alternative to JWT. Authenticated Encrypted API Tokens for Go.

wolfSSH is a small, fast, portable SSH implementation, including support for SCP and SFTP.

A modern and easy-to-use cryptographic library for .NET Core based on libsodium

A compact implementation of the UAVCAN/CAN protocol in C for high-integrity real-time embedded systems

Managed .NET wrapper for unmanaged PKCS#11 libraries

Modern Cryptographic Firmware

A set of various projects based on ESP8266, ESP32, ATtiny13, ATtiny85, ATtiny2313, ATmega8, ATmega328, ATmega32, STM32 and more.

Non-blocking LED controlling library for Arduino and friends.

Espressif 8266: development platform for PlatformIO

Curated list of resources for Embedded and Low-level development in the Rust programming language

Software for ROS Embedded board (a.k.a. OpenCR). OpenCR means Open-source Control Module for ROS.

A modern, portable, easy to use crypto library.

dude, is my code constant time?

High-Performance Hierarchical Finite State Machine Framework

An open source cybersecurity protocol for syncing decentralized graph data.

Lightweight Espressif AT parser library for ESP8266 and ESP32 devices.